US1777199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: BENZOL VERBAND GmbH
•
Filing: 1925-11-24
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Granted: 1930-09-30
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Expires: 1945-11-24
Abstract
No abstract record available.
Inventors
- 👤 Graff Hellmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:34
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0227; F02M25/0228; F02M25/025; F02M25/028; F02M25/032; F02M25/035; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-29 | 1934-03-31 | 1934-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-29 | 1938-03-31 | 1938-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-29 | 1942-03-31 | 1942-09-30 | $7700.00 | Window Closed / Lapsed |